Used only for opening and power-on. A metallic silver and black condenser microphone with volume adjustment and mode switching functions. - Brand: AKG - Model: Condenser Microphone - Design: Metallic Silver Type: Condenser Polar Pattern: Front/Front & Back/Tight Stereo/Wide Stereo Frequency Response: 20Hz〜20kHz Maximum SPL: 129dB SPL (THD 0.5%) AD Conversion: 24bit/192kHz Output Terminals: USB Type C Headphone Output Terminal: Stereo mini-phone jack Impedance: 16Ω Output: 43mW Power Supply: USB power (DC5V) Dimensions (W×H×D): 110×250×123mm Weight: 920g (including stand)